Reliable. According to the information of Nan 'an Chongqing Rail Transit School, we know that the school is reliable, and it is a public provincial-level key secondary vocational school. The school has a long history, built in 1978, and has a history of more than 40 years. The school is close to Metro 1 Line and Line 5, with beautiful environment and convenient transportation. The school is recognized by the Ministry of Education and fully funded by the municipal finance.